The Madison Keys who will play two-time defending champion Aryna Sabalenka for the title at the Australian Open on Saturday night is not the same Madison Keys who was the runner-up at the U.S.

When Madison Keys finally finished off her 5-7, 6-1, 7-6 (8) upset of No. 2 Iga Swiatek in a high-intensity, high-quality Australian Open semifinal Thursday night, saving a match point along the way,

Defending champion Aryna Sabalenka will battle American 19th seed Madison Keys in the final on Saturday looking to become the first woman since Martina Hingis from 1997-99 to win the Australian Open title three times in a row.